It's about 10,000 times as tall as a sheet of Paper
It's about 15,000 times as long as a Strand of Hair
It's about 15,000 times as tall as a Human hair, Strand of
It's about one-twenty-thousandth as tall as Olympus Mons
In other words, the height of Olympus Mons is 20,000 times 23 nails.(a.k.a. Mount Olympus) (Mars)
The tallest mountain in the solar system, Olympus Mons rises to approximately 470,000 nails. The mountain has been known to astronomers since the nineteenth century because it is tall enough to rise above Mars' frequent dust storms.
It's about one-sixty-five-thousandth as long as The Panama Canal
In other words, the length of The Panama Canal is 67,000 times 23 nails.(Canal de Panamá) (Panama)
Connecting the Atlantic and Pacific Oceans across the Isthmus of Panama, the Canal measures 1,500,000 nails in length. Ships passing through the Canal are raised (and then lowered) 450 nails above sea level through the lock-and-dam system.
It's about one-eighty-thousandth as long as The English Channel
In other words, 23 nails is 0.00001230 times the length of The English Channel, and the length of The English Channel is 81,300 times that amount.(average width between Isle of Ushant and The Walde Lighthouse) (La Manche, Ärmelkanal, Mor Breizh, Mor Bretannek) (a.k.a. The Channel)
The English Channel measures between 1,870,000 nails, narrowing as it flows northeast. The world speed record for a Channel crossing by swimmer was set by Australian Trent Grimsey in 2012, with a time of 6 hours, 55 minutes.
It's about one-ninety-thousandth as long as The 405
In other words, 23 nails is 0.0000112790 times the length of The 405, and the length of The 405 is 88,660 times that amount.(a.k.a. I-405, Interstate 405, San DIego Freeway) (Southern California)
Running from Irvine to San Fernando, The 405 runs a total of 2,039,200 nails. The 405 is the most heavily-trafficed freeway in the United States, with an average speed as low as 8 kph during rush hours.